Tractor reference

Kubota BX23S

Specifications, maintenance, parts and compatibility reference.

Specification set: United States - BX23S 4WD HST tractor-loader-backhoe platform; open-station ROPS with optional dealer-installed cab Current 2026 Kubota USA lineup. Current full-line values take precedence where older BX brochures differ, including the BX2680 23.3 gross HP / 19.2 PTO HP revision.

Engine

Engine manufacturerKubota
Engine modelD902
Engine typeLiquid-cooled, 3-cylinder diesel
Cylinders3
Displacement54.8 cu in
Displacement898 cm3
Gross engine power21.6 hp
Rated engine speed3200 rpm

Transmission

TransmissionHST, high-low gear shift (2 forward / 2 reverse)
Driveline4WD
Maximum forward speed8.4 mph
Maximum reverse speed6.5 mph

PTO

PTO power17.7 hp
PTO systemLive independent PTO with hydraulic clutch
Rear PTOStandard rear PTO, 540 rpm
Mid PTOStandard mid PTO, 2500 rpm

Hydraulics

Total hydraulic pump output6.2 gpm
3-point hitch categoryOptional SAE Category I
3-point lift capacity at 24 in. behind lift point680 lb

Dimensions & Weight

Overall length without 3-point99 in
Overall width at minimum tread45.1 in
Overall height with ROPS86.2 in
Wheelbase55.1 in
Tractor weight1598 lb

Capacities

Fuel tank capacity6.6 US gal (25 L)

Steering & Brakes

SteeringHydrostatic power steering
Brake typeWet disc

Compatible parts & kits

This source-backed list can include maintenance parts, mounting hardware and accessory kits. Serial-number and machine-configuration restrictions may still apply, so review each part page before ordering or installing.

Compatible attachments

Attachment compatibility is stored separately from service parts. Configuration requirements below come from the cited compatibility source and can vary by driveline or tractor version.

BackhoeKubota BT603Kubota BX Series brochure identifies BT603 as the matching backhoe for BX23S and states that the loader and backhoe come standard on BX23S.Backhoe details: Kubota Swift-Connect backhoe for BX23S; optional mechanical thumb; loader and backhoe are standard equipment on BX23S
72.5 in digging depth (2 ft flat bottom); 8 ft 7 in reach from swing pivot; 140° swing arcWorking height: 67.7 in transport height; 100 in operating height fully raised
Easy Over MowerKubota RCK54D-26BX-1Kubota BX Series brochure lists RCK54D-26BX-1 Easy-Over mower for BX2380, BX2680 and BX23S. Kubota notes that this mower is not compatible with bar tires.Easy Over Mower details: 54 in (1372 mm) cutting width; 1.0-4.0 in cutting height; 3 blades; drive-over suspended linkage; 1/4 in dial height adjustment; approx. 269 lb on BX2380/BX2680 and 258 lb on BX23S; 6.0 in transport ground clearance. Not compatible with bar tires.
Easy Over MowerKubota RCK60D-26BX-1Kubota BX Series brochure lists RCK60D-26BX-1 Easy-Over mower for BX2380, BX2680 and BX23S. Kubota notes that this mower is not compatible with bar tires.Easy Over Mower details: 60 in (1524 mm) cutting width; 1.0-4.0 in cutting height; 3 blades; drive-over suspended linkage; 1/4 in dial height adjustment; approx. 295 lb on BX2380/BX2680 and 284 lb on BX23S; 6.0 in transport ground clearance. Not compatible with bar tires.
Front loaderKubota LA340Kubota BX Series brochure lists LA340 pin-on loader as a matching BX23S loader.Front loader details: Kubota Swift-Tach pin-on front loader; standard loader configuration for BX23S
739 lb at pivot pin/max height; 820 lb at pivot pin @ 1.5 mLift height: 71.0 in maximum lift height at pivot pin
Front loaderKubota LA340SKubota BX Series brochure lists LA340S quick-attach loader as a matching BX23S loader.Front loader details: Kubota Swift-Tach quick-attach front loader with two-lever quick coupler for BX23S
613 lb at pivot pin/max height; 699 lb at pivot pin @ 1.5 mLift height: 71.0 in maximum lift height at pivot pin
Mid Mount MowerKubota RCK54-23BXKubota BX Series brochure lists RCK54-23BX as compatible with BX1880, BX2380, BX2680 and BX23S.Mid Mount Mower details: 54 in (1375 mm) cutting width; 1.0-4.0 in cutting height; 3 blades; Quick-Joint parallel suspended linkage; 1/4 in dial height adjustment; approx. 210 lb; 6.0 in transport ground clearance.
Mid Mount MowerKubota RCK60B-23BXKubota BX Series brochure lists RCK60B-23BX as compatible with BX2380, BX2680 and BX23S.Mid Mount Mower details: 60 in (1524 mm) cutting width; 1.0-4.0 in cutting height; 3 blades; Quick-Joint self-balance suspended linkage; 1/4 in dial height adjustment; approx. 250 lb; 6.0 in transport ground clearance.

Sources